ohta noun "war" (OKTA, KOT > KOTH). In the pre-classical Tengwar system presupposed in the Etymologies, ohta was also the name of tengwa #15 (VT46:7), but Tolkien would later call this letter anca instead changing its value from ht to nc.
Primitive elvish
okh
root. *egg
oktā
noun. war, hostility, strife
war, hostility